The Half-Life of ¹⁴C, a Radioactive Element of Carbon, Is

Multiple Choice

The half-life of ¹⁴C, a radioactive element of carbon, is 5,700 years.The ratio of ¹⁴C to ¹²C in a fossil 28,500 years old would be about _______ that of a living organism today.

A) the same as
B) 1:5
C) 1:8
D) 5:1
E) 1:32